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27 September, 12:20

For y = 4x + 2x2 - x3, show how to find the value for y, when x = 2. Show your work

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  1. 27 September, 12:26
    0
    are the 3 and second 2 like powers?
  2. 27 September, 12:28
    0
    y = 4x + 2x2 - x3

    y = 4 (2) + 2 (2) ^2 - (2) ^3

    y = 8 + 8 - 8

    y = 8
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